/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlinePartyInterface.h
Check if the local user has invite permissions in this party. Based on configuration permissions and party state.
true if the local user can invite, false if not
bool CanLocalUserInvite ( const [FUniqueNetId](API\Runtime\CoreOnline\Online\FUniqueNetId) & LocalUserId ) const